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avoid unnecessary frustum checks in world leaves

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This commit is contained in:
Shpuld Shpuldson 2023-09-11 20:59:48 +03:00
parent cfbf7f5098
commit c38aa2d90e
1 changed files with 7 additions and 10 deletions
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17
source/psp/video_hardware_surface.cpp
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@ -1374,7 +1374,7 @@ void R_DrawBrushModel (entity_t *e)
R_RecursiveWorldNode
================
*/
void R_RecursiveWorldNode (mnode_t *node)
void R_RecursiveWorldNode (mnode_t *node, bool nofrustumcheck)
{
int c, side;
mplane_t *plane;
@ -1388,9 +1388,8 @@ void R_RecursiveWorldNode (mnode_t *node)
if (node->visframe != r_visframecount)
return;
// maybe we can avoid extra checks if we remember results for "completely inside",
// then we don't need to check at all for next one? experiment with it.
int frustum_check = R_FrustumCheckBox (node->minmaxs, node->minmaxs+3);
int frustum_check = nofrustumcheck ? 0 : R_FrustumCheckBox (node->minmaxs, node->minmaxs+3);
if (frustum_check < 0)
return;
@ -1445,7 +1444,7 @@ void R_RecursiveWorldNode (mnode_t *node)
side = 1;
// recurse down the children, front side first
R_RecursiveWorldNode (node->children[side]);
R_RecursiveWorldNode (node->children[side], !frustum_check);
// draw stuff
c = node->numsurfaces;
@ -1495,7 +1494,7 @@ void R_RecursiveWorldNode (mnode_t *node)
}
// recurse down the back side
R_RecursiveWorldNode (node->children[!side]);
R_RecursiveWorldNode (node->children[!side], !frustum_check);
}
void R_AddBrushModelToChains (entity_t * e)
@ -1512,7 +1511,7 @@ void R_AddBrushModelToChains (entity_t * e)
msurface_t * psurf = &clmodel->surfaces[clmodel->firstmodelsurface];
/*
/* TODO: doesn't work for some reason, needs investigation if dlights ever come back
if (clmodel->firstmodelsurface != 0)
{
for (int k = 0; k < MAX_DLIGHTS; k++)
@ -1546,10 +1545,8 @@ void R_AddBrushModelToChains (entity_t * e)
void R_AddStaticBrushModelsToChains ()
{
// Con_Printf("static models %d\n", cl_numstaticbrushmodels);
for (int i = 0; i < cl_numstaticbrushmodels; i++)
{
// if (i >= 1) return;
R_AddBrushModelToChains(cl_staticbrushmodels[i]);
}
}
@ -1578,7 +1575,7 @@ void R_DrawWorld (void)
R_ClearSkyBox ();
R_RecursiveWorldNode (cl.worldmodel->nodes);
R_RecursiveWorldNode (cl.worldmodel->nodes, false);
R_AddStaticBrushModelsToChains ();